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Finding the Fourth Proportional to 506,383.47, 698,780.93 and 276,895.22

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Solution

The fourth proportional to 506,383.47, 698,780.93 and 276,895.22 is: 382,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,383.47 : 698,780.93 = 276,895.22 : x
  2. Step 2: Convert to fraction form
    506,383.47/698,780.93 = 276,895.22/x
  3. Step 3: Cross multiply
    506,383.47x = 698,780.93 × 276,895.22
  4. Step 4: Simplify right side
    506,383.47x = 193,489,094,465.77
  5. Step 5: Solve for x
    x = 193,489,094,465.77/506,383.47
  6. Step 6: Final answer
    x = 382,099.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.